*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: #A7F3D0;
    color: #064E3B;
}

/* Floating card animations */
.floating-card {
    animation: float 4s ease-in-out infinite;
}

.floating-card:nth-child(2) {
    animation-delay: -1s;
}

.floating-card:nth-child(3) {
    animation-delay: -2s;
}

.floating-card:nth-child(4) {
    animation-delay: -3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

/* Scroll reveal animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-reveal="delay-1"] {
    transition-delay: 0.1s;
}

.reveal[data-reveal="delay-2"] {
    transition-delay: 0.2s;
}

.reveal[data-reveal="delay-3"] {
    transition-delay: 0.3s;
}

.reveal[data-reveal="delay-4"] {
    transition-delay: 0.4s;
}

.reveal[data-reveal="delay-5"] {
    transition-delay: 0.5s;
}

.reveal[data-reveal="delay-6"] {
    transition-delay: 0.6s;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }

    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .floating-card {
        animation: none;
    }

    .reveal {
        opacity: 1;
        transform: translateY(0);
    }

    html {
        scroll-behavior: auto;
    }
}

/* Mobile menu */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
}

#mobileMenu.opening {
    opacity: 1;
    pointer-events: all;
}

/* Navbar glass effect */
header.glass {
    background: rgba(254, 252, 248, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(5, 150, 105, 0.08), 0 4px 20px rgba(0, 0, 0, 0.04);
}

/* Image lazy load placeholder */
img {
    background: linear-gradient(135deg, #D1FAE5 0%, #FDF8F0 100%);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FDF8F0;
}

::-webkit-scrollbar-thumb {
    background: #A7F3D0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6EE7B7;
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #10B981;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Date input styling */
input[type="date"] {
    color-scheme: light;
}

/* Smooth image loading */
img {
    transition: opacity 0.3s ease;
}

img[loading="lazy"] {
    opacity: 0;
}

img[loading="lazy"].loaded {
    opacity: 1;
}